max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tests/stm32: do multiple transfers to catch more bugs.

Browse Source
This commit is contained in:
Dario Nieuwenhuis 2023-06-19 22:38:27 +02:00
parent 3c70f799a2
commit 990dd5e5db
1 changed files with 16 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
tests/stm32/src/bin/usart_dma.rs
View File

@ -69,24 +69,27 @@ async fn main(_spawner: Spawner) {
const LEN: usize = 128; const LEN: usize = 128;
let mut tx_buf = [0; LEN]; let mut tx_buf = [0; LEN];
let mut rx_buf = [0; LEN]; let mut rx_buf = [0; LEN];
for i in 0..LEN {
tx_buf[i] = i as u8;
}
let (mut tx, mut rx) = usart.split(); let (mut tx, mut rx) = usart.split();
let tx_fut = async { for n in 0..42 {
tx.write(&tx_buf).await.unwrap(); for i in 0..LEN {
}; tx_buf[i] = (i ^ n) as u8;
let rx_fut = async { }
rx.read(&mut rx_buf).await.unwrap();
};
// note: rx needs to be polled first, to workaround this bug: let tx_fut = async {
// https://github.com/embassy-rs/embassy/issues/1426 tx.write(&tx_buf).await.unwrap();
join(rx_fut, tx_fut).await; };
let rx_fut = async {
rx.read(&mut rx_buf).await.unwrap();
};
assert_eq!(tx_buf, rx_buf); // note: rx needs to be polled first, to workaround this bug:
// https://github.com/embassy-rs/embassy/issues/1426
join(rx_fut, tx_fut).await;
assert_eq!(tx_buf, rx_buf);
}
info!("Test OK"); info!("Test OK");
cortex_m::asm::bkpt(); cortex_m::asm::bkpt();